Main Technical Specification of No-girder K-span Arch Sheet Roll Forming Machine ABM Size: 8900mm × 2250mm × 2300mm  Total Weight: about 13000KG Main Motor Power: 16.7KW forming power is 7.5kw ; bending power is 4.0kw; cutting power is 3.0kw; conical power is 2.2kw  Working Speed: Straight sheet: 15m/min Arch sheet: 13m/min Sewing: 6m/min Material of rollers: 45# steel, quenched HRC 58-62 Material of roller shafts: 45# steel, adjusted Material of cutting blade: Cr12 steel (Taiwan Airline Technique) Step of rollers: 13 steps Feeding Width: 1000mm  Effective Width: 700mm The depth of the groove: 151mm Thickness of the coil: 0.6-1.5mm Operating factor of the panel: 70% Proper span: ≤25m This no-girder k-span arch sheet roll forming machine is one of the most popular arch sheet forming machines in our company. The surfaces of the rollers of this k-span building machine are plated with hard chromium, resulting in high hardness and long operating life. Established in 1992, Sanxing is one of the foremost no-girder k-span arch sheet roll forming machine manufacturers and suppliers in China. To date, our company has obtained ISO9001-2000 certificate, and our roll forming machines have been awarded CE certificate. Welcome to contact us if you are looking for any UBM k span roll forming machine, insulation painting machine, or automatic tube bending machine etc.